The active substance in Hamerol is chitosan hydrochloride. Chitosan acts as an elicitor (plant enhancer), strengthening the natural defence mechanism of the plant. By stimulating soil life, chitosan leads to stronger plants with greater resistance to disease and drought, and promotes growth.
Scientific studies have shown that chitosan hydrochloride has fungicidal and bactericidal properties, making it suitable for use against a wide range of fungal and bacterial pests in various crops.
The commodity Chitosan hydrochloride is registered in the EU according to the provisions of Article 23(3) of Regulation (EC) No 1107/2009. Chitosan hydrochloride has CAS No 9012-76-4. In the Netherlands, chitosan hydrochloride has been authorised by the Ctgb (see authorisation). Hammerol is on the input list of Skal and is permitted in organic farming. Chitosan hydrochloride is permitted in cultivation under the PlanetProof hallmark. Replacement of a chemical by chitosan hydrochloride results in a bonus point.
Look in the scheme below or click on the link for an enlarged version of the applications and dosage table